Review Outline for Exam 3

Review Outline for Exam 3 - Review Outline for Exam 3...

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Review Outline for Exam 3 Chapter 10 -- glycolysis Know structures on handout--ring structures or linear whichever you prefer to learn--but you will need to know about alpha/beta for the anomeric carbon of ring structure what is a glycosidic bond--how is it formed? 1. Is a certain type of functional group that joins a carbohydrate molecule to an alcohol, which may or may not be another carbohydrate. Specifically, a glycosidic bond is formed between the hemiacetal group of a saccharide and the hydroxyl group of any molecule. What is an anomeric carbon? 1. It is a stereoisomer of a saccharide (in the cyclic form) that differs only in its configuration at the hemiacetal or hemiketal carbon, also called the anomeric carbon. If the anomeric carbon's hydroxy group is trans to the CH2OH group, then the sugar is an alpha anomer. If, however, the anomeric carbon's hydroxy group is cis to the CH2OH group, the sugar is a beta anomer. 2. Major types of polysaccharides: amylose; amylopectin; glycogen; cellulose--what are the linkages 1. Amylose: α-1-4 linkage (glycosidic), linear polymer of glucose found in plants, 1 of 2 (polysaccharides) components in starch. 2. Amylopectin: α-1-4 linkage (glycosidic), highly branched polymer of glucose found in plants. It is the other component in starch. It is insoluble in water. 3.
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This note was uploaded on 12/30/2010 for the course CH 369 taught by Professor Kbrowning during the Spring '07 term at University of Texas at Austin.

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Review Outline for Exam 3 - Review Outline for Exam 3...

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